Quiz on Microscopic World I
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Medium
Fung Kei
Used 1+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrogen atom can form
(1) hydrogen ion by losing one electron.
(2) hydrogen molecule by sharing electrons.
(3) hydride ion by gaining one electron.
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The relative atomic mass of helium is
(1) the same as its relative molecular mass.
(2) the same as the relative molecular mass of hydrogen.
(3) the same as its formula mass.
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lithium reacts with chlorine to give a compound X.
(1) X is an ionic compound.
(2) The formula of X is LiCl.
(3) X is called lithium chloride.
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beryllium oxide
(1) is an ionic oxide.
(2) has a chemical formula of Be2O2.
(3) retains the chemical properties of beryllium.
(1) only
(2) only
(1) and (3) only
(2) and (3) only
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Boron trifluoride
(1) is a compound formed between a metal and non-metal.
(2) is a covalent molecular compound.
(3) has a molecular formula of BF3.
(1) only
(2) only
(1) and (3) only
(2) and (3) only
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following compounds could be produced when carbon burns in air ?
(1) methane.
(2) carbon monoxide.
(3) carbon dioxide.
(1) only
(2) only
(1) and (3) only
(2) and (3) only
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements concerning nitrogen are correct ?
(1) It exists as diatomic molecules in the air.
(2) It can react with hydrogen to form ammonia under certain conditions.
(3) It reacts with oxygen in the air during lightning to give nitrogen monoxide.
(1) and (2) only
(1) and (3) only
(2) and (3) only
(1), (2) and (3)
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